TWI603022B - American, French inflatable connector - Google Patents

Description

US and French inflatable joints

The present invention relates to an inflation joint, and more particularly to a US and French inflatable joint.

Press, between the inflatable device (such as the pump) and the nozzle of the tire, must be connected by an inflation joint to facilitate inflation.

However, the most common and common type of inflatable joints at present is mainly divided into two kinds of special American air nozzle joints and French air nozzle joints. However, the dedicated inflation joint has a lot of inconvenience in use because it cannot universally connect and inflate the American air nozzle and the French air nozzle.

Therefore, there are a number of general-purpose inflatable joints that can be used in American air nozzles and French air nozzles. However, such a universal type of inflation joint has to be switched, and the parts required for switching are too complicated, resulting in no market competitiveness in terms of manufacturing and selling price. Moreover, limited by the spoke shape of the tire, the space between the inflation joint and the tire nozzle is quite narrow. If the switching part requires additional operation space, it is more difficult to operate, resulting in inconvenience to the user.

In view of this, in order to improve the prior art, the conventional general-purpose inflatable joint has problems that the parts are too complicated, the manufacturing and the selling price are not competitive in the market, and the switching parts require additional operation space and are inconvenient in operation; Therefore, the present invention provides a US and French inflatable joint, which mainly comprises: an outer limiting cylinder having one An axially extending receiving hole, the outer side of the outer limiting cylinder has a switching limiting slot connected to the receiving hole, the switching limiting slot has a French air nozzle limiting slot extending axially along the outer limiting cylinder An American air nozzle limiting slot extending radially along the outer limiting cylinder and communicating with the French air nozzle limiting slot; a front rotating cylinder having an axially extending working hole, the rear end of the front rotating sleeve being coaxially sleeved On the front end of the outer limiting cylinder, the front rotating cylinder can be pivoted relative to the outer limiting cylinder, the working end of the working hole has an American air nozzle screw hole, and the middle portion of the working hole has a French air nozzle screw hole; The inner nozzle has an axially extending air hole, the front end of the inner nozzle has a mouth portion, and the rear end has a pipe joint, and the inner mouth of the nozzle column has a hole, the inner nozzle column Positioned in the receiving hole of the outer limiting cylinder, the mouth is located in the working hole of the front rotating tube, and the pipe joint extends out of the receiving hole; a switching limit column is connected to the inside The connection hole of the nozzle post is connected and located in the switching limit slot of the outer limiting cylinder, and can be externally applied to the switching The French air nozzle limiting slot of the slot and the American air nozzle limiting slot are switched and slipped to interlock the mouth of the inner nozzle to move in the working hole of the front rotating cylinder; the invention utilizes and the American The gas nozzle or the French air nozzle rotates with the front drum of the axial direction to fix the American air nozzle or the French air nozzle, so it is quite intuitive in operation. Since the present invention does not require an additional operating space, the user can operate in a small space to enhance the operational convenience of the present invention. Moreover, since the structure of the present invention is simple, the manufacturing cost and the selling price can be simultaneously reduced, and the lightweight shape is also easy to carry, which is advantageous for the competitiveness in the market.

100‧‧‧US, French inflatable joints

10‧‧‧External restraint

11‧‧‧ accommodating holes

12‧‧‧Switching the limit slot

121‧‧‧ French air nozzle limit slot

122‧‧‧American air nozzle limit slot

13‧‧‧Outside restricted inner ring groove

20‧‧‧ front reel

21‧‧‧ action holes

211‧‧‧American air nozzle screw hole

212‧‧‧ French air nozzle screw hole

22‧‧‧Slip-stop

23‧‧‧ Front drum outer ring groove

24‧‧‧ Front drum inner ring groove

30‧‧‧Restricted ring

40‧‧‧ gas nozzle stop ring

50‧‧‧Inside the mouth

51‧‧‧ stomata

52‧‧‧ mouth

53‧‧‧Management Department

54‧‧‧Inner mouth outer ring groove

55‧‧‧Contact hole

60‧‧‧Switching the limit column

70‧‧‧ airtight ring

80‧‧‧ gas pipeline

90‧‧‧Bundle

99‧‧‧American gas nozzle

991‧‧‧ external thread

98‧‧‧ French vents

981‧‧‧ external thread

The first figure is an exploded perspective view of a preferred embodiment of the present invention.

The second drawing is a perspective assembled view of the embodiment shown in the first figure.

The third to eighth figures are schematic views of the operation of the embodiment shown in the first figure in combination with the American air nozzle.

The ninth to twelfth drawings are schematic views showing the operation of the embodiment shown in the first figure in combination with the French air nozzle.

In order to enable the reviewing committee to have a better understanding and recognition of the features and features of the present invention, the following preferred embodiments are illustrated with the following description:

Referring to the first to twelfth drawings, a US and French inflatable joint 100 according to a preferred embodiment of the present invention comprises an outer limiting cylinder 10, a front rotating cylinder 20, a limiting ring 30, a nozzle stop ring 40, an inner nozzle 50, a switching limit post 60, a gas tight ring 70, a gas pipe 80 and a bundle ring 90, wherein: please refer to the first to third figures, the outer limit The cylinder 10 is a hollow cylinder having an axially extending receiving hole 11 . The outer side of the outer limiting cylinder 10 has a switching limit slot 12 connected to the receiving hole 11 . 12 has a French air nozzle limiting slot 121 extending axially along the outer limiting cylinder 10 and an American air nozzle limiting slot 122 extending radially along the outer limiting cylinder 10, and the one end of the French air nozzle limiting slot 121 is One end of the American air nozzle limiting slot 122 communicates to form an L shape, and the inner peripheral wall of the receiving hole 11 of the outer limiting cylinder 10 has an outer limiting inner ring groove 13 .

Referring to the first to third figures, the front drum 20 is a hollow cylinder having an axially extending working hole 21, and the rear end of the front rotating cylinder 20 is coaxially sleeved to the outer limiting cylinder 10. The front drum 20 is pivoted relative to the outer limiting cylinder 10 at the front end, and the front end of the working hole 21 has an American nozzle screw hole 211. The middle portion of the working hole 21 has a French air nozzle screw hole 212, and the American air nozzle screw hole 211 is in communication with the French air nozzle screw hole 212. The outer circumference of the front rotating cylinder 20 has a stopping portion 22 and a The front outer ring groove 23 is a rough groove. The inner peripheral wall of the working hole 21 of the front drum 20 has a front inner ring groove 24.

Referring to the first to third figures, the restriction ring 30 is a C-shaped ring disposed outside the outer restriction cylinder 10 to restrict the inner ring groove 13 between the cylinder and the outer ring groove 23 of the outer drum 20 before the front drum 20 In order to prevent the front drum 20 from being detached from the outer limiting cylinder 10 by itself.

Referring to the first to third figures, the nozzle leakage ring 40 is disposed at the bottom of the US nozzle screw hole 211 of the front drum 20, and the nozzle leakage ring 40 is made of rubber or silicone. Made of elastic material with elastic deformation ability.

Referring to the first to third figures, the inner nozzle post 50 is substantially a cylinder. The inner nozzle post 50 has an axially extending air hole 51 having a mouth portion 52 at the front end thereof. The inner end of the inner nozzle post 50 has an inner nozzle outer ring groove 54. The outer end of the inner nozzle post 50 has an opening 55. The hole 55 is a screw hole. The inner nozzle 50 is disposed in the receiving hole 11 of the outer limiting cylinder 10, and the nozzle 52 is located in the working hole 21 of the front rotating cylinder 20, and the tubular connecting portion 53 protrudes from the receiving hole The hole 11 is placed outside.

Referring to the first to third figures, the switching limit post 60 is connected to the receiving hole 55 of the inner nozzle post 50 and located in the switching limiting slot 12 of the outer limiting cylinder 10, and can be subjected to an external force. The French air nozzle limiting slot 12 of the switching limit slot 12 1 and the American air nozzle limiting slot 122 performs switching slip. The switching limit post 60 is a stud and is screwed to the connecting hole 55.

Referring to the first to third figures, the airtight ring 70 is disposed between the inner ring groove 24 of the drum and the inner ring groove 54 of the inner nozzle post 50 before the front drum 20, so that The inner circumference of the front drum 20 and the outer circumference of the inner nozzle column 50 are in an airtight state.

Referring to the first to third figures, the gas pipe 80 is connected at one end to the pipe joint portion 53 of the inner nozzle column 50, and the other end is connected to an air inflating device (not shown).

Referring to the first to third figures, the bundle ring 90 is pressed against the pipe joint portion 53 of the gas pipe 80 and the inner nozzle column 50 to prevent the gas pipe 80 from contacting the pipe joint portion 53. Disengaged.

Therefore, the above description is a description of each component of the US-style inflatable joint 100 and its assembly manner provided by a preferred embodiment of the present invention, and then its use characteristics are as follows:

When the present invention is to be combined with an American air nozzle 99 (as shown in the third figure), the American air nozzle screw hole 211 of the front drum 20 of the present invention is first brought into contact with the American air nozzle 99 (as shown in the fourth figure). And being rotated by the user on the stop portion 22 of the front drum 20 to rotate the front drum 20 (as shown in the fifth figure), so that the external thread 991 on the American air nozzle 99 and the front The American nozzle screw hole 211 of the drum 20 is screwed to abut against the nozzle stop ring 40. Then, the user can push the gas pipe 80 to interlock the mouth portion 52 of the inner nozzle column 50 to the American air nozzle 99, so that the switching limit column 60 is bottomed by the groove of the French air nozzle limiting groove 121. Position (as shown in the second figure) moves to the US air nozzle limit slot 122 At the position (as shown in the seventh figure), the gas pipe 80 is rotated slightly and the inner nozzle column 50 is rotated to rotate the switching limit column 60 to the American nozzle limit. The bottom position of the groove 122 (the outer limiting cylinder 10 can also be rotated such that the switching limit post 60 is located at the bottom of the groove of the American nozzle limiting groove 122) (as shown in the eighth figure).

In this way, the position of the inner nozzle post 50 can be temporarily fixed, so that the mouth portion 52 of the inner nozzle post 50 closely abuts the American air nozzle 99, so as to facilitate the inflating device through the insufflation device. The gas pipe 80 and the air hole 51 inject gas into the American air nozzle 99 to complete the inflation operation, and since the thread 991 of the American air nozzle 99 is screwed with the American air nozzle screw hole 211 of the front drum 20, It can be ensured that the present invention does not detach from the American air nozzle 99 during the inflation process, so as to smooth the smoothness of the inflation.

When the inflation operation is completed, the front drum 20 can be reversely rotated to separate the American air nozzle 99 from the present invention.

In addition, when the present invention is to be combined with a French air nozzle 98 (as shown in FIG. 9), the position of the switching limit post 60 is first moved to the bottom of the groove of the French air nozzle limiting slot 121 ( As shown in the tenth figure, the French air nozzle 98 is then passed through the American air nozzle screw hole 211 of the front drum 20, so that the French air nozzle screw hole 212 is in contact with the external thread 981 of the French air nozzle 98 (for example). The eleventh figure is shown and held by the user on the stop portion 22 of the front drum 20 to rotate the front drum 20 (as shown in FIG. 12) to make the French air nozzle 98 The external thread 981 is screwed to the French nozzle screw hole 212 of the front drum 20 to abut against the nozzle leakage ring 40 such that the mouth portion 52 of the inner nozzle column 50 closely matches the French gas. mouth When the 98 is abutted, the switching limit post 60 is abutted against the groove bottom position of the French air nozzle limiting slot 121, and the inflation operation of the French air nozzle 98 can be performed.

When the inflation operation is completed, the front drum 20 can be reversely rotated to separate the French air nozzle 98 from the present invention.

Therefore, since the present invention utilizes the rotation of the front drum in the same axial direction as the American air nozzle or the French air nozzle to fix the American air nozzle or the French air nozzle, it is quite intuitive in operation. Moreover, when the switching limit column is switched between the French air nozzle limiting slot and the US air nozzle limiting slot, the switching limit column can be driven by moving the gas pipe or the inner nozzle column. In addition, the switching limit column can also be directly driven, which does not require additional operation space, so that the user can operate in a small space to improve the operation convenience of the present invention. Moreover, since the structure of the present invention is simple, the manufacturing cost and the selling price can be simultaneously reduced, and the lightweight shape is also easy to carry, which is advantageous for the competitiveness in the market.

The above is only the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. All of the related art in the art will be equally changed according to the present invention. The scope of coverage.

100‧‧‧US, French inflatable joints

10‧‧‧External restraint

11‧‧‧ accommodating holes

12‧‧‧Switching the limit slot

121‧‧‧ French air nozzle limit slot

122‧‧‧American air nozzle limit slot

13‧‧‧Outside restricted inner ring groove

20‧‧‧ front reel

21‧‧‧ action holes

211‧‧‧American air nozzle screw hole

22‧‧‧Slip-stop

23‧‧‧ Front drum outer ring groove

30‧‧‧Restricted ring

40‧‧‧ gas nozzle stop ring

50‧‧‧Inside the mouth

51‧‧‧ stomata

52‧‧‧ mouth

53‧‧‧Management Department

54‧‧‧Inner mouth outer ring groove

55‧‧‧Contact hole

60‧‧‧Switching the limit column

70‧‧‧ airtight ring

80‧‧‧ gas pipeline

90‧‧‧Bundle

Claims (10)

The utility model relates to a US and French inflatable joint, which mainly comprises: an outer limiting cylinder having an axially extending receiving hole, the outer side of the outer limiting cylinder having a switching limiting slot connected to the receiving hole, the switching limit The position groove has a French air nozzle limiting groove extending axially along the outer limiting cylinder and an American air nozzle limiting groove extending radially along the outer limiting cylinder and communicating with the French air nozzle limiting groove; a front rotating cylinder, An axially extending working hole, the rear end of the front rotating sleeve is coaxially sleeved on the front end of the outer limiting cylinder, and the front rotating sleeve is axially rotatable relative to the outer limiting cylinder, and the front end of the working hole has an American style a nozzle screw hole, the middle portion of the working hole has a French air nozzle screw hole; an inner nozzle column has an axial through hole, the front end of the inner nozzle has a mouth portion, and the rear end has a pipe joint portion The inner side of the inner nozzle has a receiving hole, and the inner connecting rod is disposed in the receiving hole of the outer limiting cylinder, the mouth is located in the working hole of the front rotating tube, and the connecting portion is Extending out of the receiving hole; a switching limit column is connected to the connecting hole of the inner nozzle column, The utility model is disposed in the switching limit slot of the outer limiting cylinder, and can be switched and slipped by the French air nozzle limiting slot which is externally applied to the switching limiting slot and the American air nozzle limiting slot to interlock the inner nozzle The mouth of the column moves within the working hole of the front drum. According to the US and French inflatable joints described in claim 1, wherein the switching limit groove of the outer limiting cylinder is L-shaped. The US and French inflatable joints according to claim 1 further include a restricting ring; the inner peripheral wall of the receiving hole of the outer limiting cylinder has an outer limiting inner ring groove; the front outer peripheral mask has a front The outer ring groove of the drum; the limiting ring is disposed outside the outer limiting cylinder to limit the inner ring groove of the cylinder and the outer ring groove of the outer drum before the front rotating drum. The US and French inflatable joints according to claim 3, wherein the restricting ring is a C-shaped ring. The US and French inflatable joints according to claim 1, wherein the outer peripheral surface of the front drum has a non-slip portion. The US and French inflatable joints according to claim 5, wherein the anti-slip portion is a rough texture. The US and French inflatable joints according to claim 1 further include an airtight ring; the inner peripheral wall of the working hole of the front rotating drum has a front inner ring groove; the inner nozzle has an outer circumferential surface An inner ring outer ring groove; the airtight ring is disposed between the inner ring groove of the inner tube and the inner ring groove of the inner nozzle column of the inner nozzle. The US and French inflatable joints according to claim 1 further include a gas nozzle leakage ring disposed at a bottom position of the US nozzle screw hole of the front drum. According to the US and French inflatable joints described in claim 1, wherein the connecting hole of the connecting nozzle is a screw hole, and the switching limit column is a stud, and the switching limit post is screwed with the connecting hole. The US and French inflatable joints according to claim 1 further include a gas pipe and a bundle of rings; one end of the gas pipe is connected to the pipe joint of the inner mouth column, and the bundle ring is pressed against a pipe joint of the gas pipe and the inner nozzle column.